CN217056711U - Large-specification offshore slip ring sealing structure and motor - Google Patents
Large-specification offshore slip ring sealing structure and motor Download PDFInfo
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- CN217056711U CN217056711U CN202220060446.3U CN202220060446U CN217056711U CN 217056711 U CN217056711 U CN 217056711U CN 202220060446 U CN202220060446 U CN 202220060446U CN 217056711 U CN217056711 U CN 217056711U
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Abstract
The utility model discloses an offshore type sliding ring seal structure of big specification, include: one end of the bearing seat is connected with the rotor, and the other end of the bearing seat is provided with a bearing cover; the bearing protection sleeve is sleeved outside the bearing seat and connected with the stator, and a first connecting groove and a second connecting groove are respectively formed in two ends of the bearing protection sleeve; the sealing assembly is arranged at one end of the bearing seat connected with the rotor, and is detachably connected with the bearing sheath at the second connecting groove; and (4) pressing the assembly. The utility model discloses a punishment do not is provided with at the both ends that bearing frame and bearing sheath link to each other and compresses tightly subassembly and seal the subassembly to this gas tightness and the joint strength who guarantees whole seal structure. And meanwhile, the sealing assembly and the pressing assembly are detachably connected with the bearing sheath, so that the bearing sheath is convenient to disassemble and assemble, and parts are replaced in the later period. The defect that installation and replacement are inconvenient due to the fact that the structure of the device is complex in the prior art is overcome.
Description
Technical Field
The utility model relates to a sliding ring technical field especially relates to an offshore type sliding ring seal structure of big specification and motor.
Background
The slip ring is an electrical component which is used for communicating the rotating body and transmitting energy and signals. The slip rings are classified into electrical slip rings, fluid slip rings and optical slip rings according to transmission media, and can also be commonly called as rotary communication or rotary communication. The slip ring is usually installed at the rotation center of the equipment and mainly consists of two parts, namely a rotating part and a static part. The rotating part is connected to the rotating structure of the device and moves rotationally therewith, called the "rotor", and the stationary part is connected to the energy source of the stationary structure of the device, called the "stator".
The slip ring structure in the prior art is generally limited by the influence of the use environment. Particularly, when the device is used at sea, the device is characterized by natural environment such as special climate, wind condition, terrain condition and the like at sea. Traditional offshore type slip ring seal structure is at the operation in-process, because self structure is unusual complicated for the installation is very loaded down with trivial details with the change process, seriously influences slip ring seal structure's installation and change efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the installation that exists among the prior art because of self structure complicacy causes and change inconvenient shortcoming, and the marine type sliding ring seal structure of a big specification that proposes.
In order to realize the purpose, the utility model adopts the following technical scheme:
a large format offshore slip ring seal structure comprising:
one end of the bearing seat is connected with the rotor, and the other end of the bearing seat is provided with a bearing cover;
the bearing protection sleeve is sleeved outside the bearing seat and connected with the stator, and a first connecting groove and a second connecting groove are respectively formed in two ends of the bearing protection sleeve;
the sealing assembly is arranged at one end of the bearing seat connected with the rotor, and is detachably connected with the bearing sheath at the second connecting groove;
the pressing assembly is arranged at one end, close to the bearing cover, of the bearing seat, and is detachably connected with the bearing sheath at the first connecting groove;
wherein the first connection groove and the second connection groove are coaxial.
Optionally, the compressing assembly includes:
the second sealing ring is sleeved on the bearing seat and arranged in the first connecting groove, and the second sealing ring is matched with the first connecting groove;
the sealing gland is arranged at one end of the second connecting groove, the sealing gland is detachably connected with the bearing sheath, and the bearing seat is rotatably connected to the sealing gland;
the sealing gland is provided with a first protrusion, the first protrusion extends into the first connecting groove, and the first protrusion is abutted to the second sealing ring.
Optionally, the second seal ring is a carbon ring, and the second seal ring is composed of two semicircular carbon rings.
Optionally, a rotating bearing is further sleeved on the bearing seat, and the rotating bearing is located in the second connecting groove; the closure assembly includes:
the bearing gland is sleeved on the bearing seat, is positioned at the second connecting groove and is detachably connected with the bearing sheath;
wherein, the bearing frame is connected in rotation in bearing gland department.
Optionally, the closure assembly further comprises:
the first sealing ring is sleeved on the bearing seat, and the first sealing ring is abutted to the bearing gland.
Optionally, a plurality of groups of connecting rings are sleeved on the bearing seat, and the bearing seat is in transition fit with the bearing sheath through the connecting rings.
Optionally, the multiple groups of connecting rings are embedded sleeves and are arranged on the bearing seats.
Optionally, the connecting ring is a fluororubber O-ring.
The motor is further provided, and the large-specification offshore type slip ring sealing structure is adopted.
The beneficial effects of the utility model are that:
the pressing assembly and the sealing assembly are respectively arranged at the two ends of the bearing seat connected with the bearing sheath, so that the air tightness and the connection strength of the whole sealing structure are ensured. Meanwhile, the sealing assembly and the pressing assembly are detachably connected with the bearing sheath, so that the bearing sheath is convenient to disassemble and assemble, and parts are replaced in the later period. The defect that installation and replacement are inconvenient due to the fact that the structure of the device is complex in the prior art is overcome. Meanwhile, the pressing assemblies and the sealing assemblies at the two ends of the bearing seat and the bearing sheath do not act and interfere with the rotation between the bearing seat and the bearing sheath, so that the smooth rotation between the bearing seat and the bearing sheath is ensured.
Drawings
Fig. 1 is a schematic overall structural diagram of a large-scale offshore slip ring sealing structure provided in a first embodiment of the present invention;
fig. 2 is a plan sectional view of the overall structure of a large-scale offshore slip ring sealing structure provided in the first embodiment of the present invention;
fig. 3 is a schematic structural view of a bearing seat of a large-specification offshore slip ring sealing structure provided in the first embodiment of the present invention;
fig. 4 is a schematic plan view (in a top view direction) of a second sealing ring of a large-specification marine slip ring sealing structure according to a first embodiment of the present invention;
fig. 5 is a sectional view of a plane structure of a bearing sheath of a sealing structure of a large-sized offshore slip ring according to a first embodiment of the present invention.
The symbols in the figure are as follows:
1. a bearing seat; 11. rotating the bearing;
2. a first seal ring;
3. a bearing gland;
4. a connecting ring;
5. a second seal ring;
6. a bearing sheath; 61. a first connecting groove; 62. a second connecting groove;
7. a bearing cap;
8. a sealing gland; 81 first projections.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a large format offshore slip ring seal configuration that is not only useful for rotors and stators in an offshore environment in practical use. Can also be applied at normal temperature and normal pressure. Such as motors used in everyday factory work. The method can also be applied to units such as steam turbines, fans, generators, compressors, turbines and the like.
Specifically, the bearing support comprises a bearing support 1, a bearing sheath 6, a closing assembly and a pressing assembly. The bearing seat 1 is sleeved inside the bearing sheath 6, and the bearing seat 1 is arranged along the central axis of the bearing sheath 6. Namely, the bearing sheath 6 is sleeved outside the bearing sheath 6. The bearing block 1 is connected with the rotor, the bearing sheath 6 is connected with the stator, and the bearing block 1 is connected with the bearing sheath 6 in a relative rotation mode. I.e. the bearing housing 1 rotates with the rotor within the bearing housing 6 in order to transmit the rotational force from the rotor to the output shaft. The sealing component is arranged at one end of the bearing seat 1, the bearing seat 1 is connected with the sealing component in a rotating mode, the sealing component is connected with the bearing sheath 6, and the sealing component is used for enhancing the connection strength and the air tightness of the end, connected with the bearing seat 1, of the bearing sheath 6. The compressing assembly is arranged at the other end of the bearing seat 1 and is connected with the bearing sheath 6. The compressing assembly is used for enhancing the connecting strength and the air tightness of the connecting between the bearing seat 1 and the other end of the bearing sheath 6. And a bearing cover 7 is arranged at one end of the bearing seat 1, and the bearing cover 7 is rotationally connected with the pressing assembly. Bearing frame 1 links to each other with the output shaft through bearing cap 7 to carry out on transmitting the strength of rotor to the output shaft, drive the output shaft and rotate the output. In the embodiment, the compressing components and the sealing components are respectively arranged at the two ends of the bearing seat 1 connected with the bearing sheath 6, so that the air tightness and the connection strength of the whole sealing structure are ensured. Meanwhile, the sealing assembly and the pressing assembly are detachably connected with the bearing sheath 6, so that the bearing sheath is convenient to detach and install, and parts are replaced in the later period. The defect that installation and replacement are inconvenient due to the fact that the structure of the device is complex in the prior art is overcome. Meanwhile, the compressing assemblies and the sealing assemblies on the two ends of the bearing seat 1 and the bearing sheath 6 do not act and interfere with the rotation between the bearing seat 1 and the bearing sheath 6, so that the smooth rotation of the bearing seat 1 and the bearing sheath 6 is ensured.
In this embodiment, the compressing assembly includes: a sealing gland 8 and a second sealing ring 5. One end of the bearing sheath 6 is provided with a first connecting groove 61, the first connecting groove 61 is close to the bearing cover 7, and the first connecting groove 61 is in a circular ring shape. The second sealing ring 5 is sleeved on the bearing seat 1, the second sealing ring 5 is located in the first connecting groove 61, and the second sealing ring 5 is matched with the first connecting groove 61. Namely, the second sealing ring 5 and the first connecting groove 61 are arranged in a transition fit manner, so that the connection airtightness between the bearing seat 1 and the bearing sheath 6 is ensured. The sealing gland 8 is arranged at one end of the bearing sheath 6, and one surface of the sealing gland 8 is abutted to the second sealing ring 5. Namely, the seal gland 8 is provided with a first protrusion 81, the first protrusion 81 is in a disc boss shape, and the first protrusion 81 extends into the first connecting groove 61 and is abutted against the second seal ring 5. Wherein, the sealing gland 8 is detachably connected with the bearing sheath 6 through bolts. To facilitate separation of the gland 8 from the bearing housing 6. That is, the second seal ring 5 can be easily removed from the first connecting groove 61 and replaced. In this embodiment, gland 8 is discoid, and gland 8 follows the central axis of bearing sheath 6 runs through and is provided with the through-hole, gland 8 cover is established on bearing frame 1 with the one end that bearing cap 7 links to each other is served, gland 8 with bearing frame 1 with bearing cap 7 rotates continuously. In the present embodiment, the second sealing ring 5 is made to ensure airtightness of the connection between the bearing housing 1 and the bearing sheath 6 by disposing the second sealing ring 5 in the first connecting groove 61. Meanwhile, the second sealing ring 5 is abutted to the first connecting groove 61 through the sealing gland 8, so that the second sealing ring 5 cannot be displaced in the first connecting groove 61 when the bearing seat 1 rotates. And because the bearing seat 1 and the bearing cover 7 are connected with the sealing gland 8 in a rotating way, the sealing gland 8 cannot interfere the movement between the bearing seat 1 and the bearing cover 7.
In a possible embodiment, the second sealing ring 5 is a carbon ring, and the second sealing ring 5 is composed of two semicircular carbon rings. In this embodiment, the second sealing ring 5 is provided as two semicircular carbon rings, which are respectively placed in the first connecting groove 61, so as to enhance the connection airtightness between the bearing seat 1 and the bearing sheath 6; on the other hand, the second sealing ring 5 can be conveniently taken out of the first connecting groove 61 in subsequent replacement.
In this embodiment, in order to ensure smooth rotation between the bearing housing 1 and the bearing sheath 6. One end of the bearing sheath 6, which is far away from the first connecting groove 61, is provided with a second connecting groove 62, and the second connecting groove 62 is an annular groove. The bearing seat 1 is sleeved with a rotating bearing 11, and the rotating bearing 11 is located in the second connecting groove 62. In the present embodiment, the rotation of the bearing housing 1 in the bearing sheath 6 is smooth by the rotation of the bearing 11. Preferably, the rotary bearing 11 is a ball bearing.
In the present embodiment, in order to enhance the connection strength between the rotary bearing 11 and the bearing sheath 6 and to ensure airtightness between the end of the bearing housing 1 at the rotary bearing 11 and the bearing sheath 6. The closure assembly includes: bearing cover 3 and first sealing washer 2, bearing cover 3 sets up bearing sheath 6 department, bearing cover 3 is located second spread groove 62 department. Bearing cover 3 is discoid, just bearing cover 3 has set up first even hole along the central axis of bearing sheath 6, 3 covers of bearing cover are established on the bearing frame 1, just bearing cover 3 with bearing frame 1 rotates continuously. The bearing gland 3 is detachably connected with the bearing sheath 6 through bolts. In this embodiment, the rotating bearing 11 is limited to the first connecting groove 61 by the bearing gland 3, so as to ensure that the rotating bearing 11 does not shift out of the second connecting groove 62. Meanwhile, the connection strength between the bearing seat 1 and the bearing sheath 6 is also indirectly ensured.
In this embodiment, the cross-section of the bearing seat 1 is T-shaped, a flange (not shown in the figure) is arranged at one end of the bearing seat 1 far away from the bearing cover 7, and the bearing seat 1 is connected with the rotor through the flange. The first sealing ring 2 is sleeved on the bearing seat 1, the first sealing ring 2 is close to the flange plate, and the first sealing ring 2 is abutted against the bearing gland 3. Namely, the first sealing ring 2 carries out air tightness protection setting on the rotary connection part of the bearing gland 3 and the bearing seat 1. Thereby ensuring the air tightness between the bearing seat 1 at one end of the rotating bearing 11 and the bearing sheath 6. In this embodiment, the flange is detachably connected to the rotor by bolts. Preferably, the first sealing ring 2 is an S-shaped bearing sealing ring, so as to ensure the air tightness between one end of the bearing seat 1 at the rotating bearing 11 and the bearing sheath 6.
In a possible embodiment, in order to further ensure the air tightness between the bearing block 1 and the bearing sheath 6. The outside cover of bearing frame 1 is equipped with a plurality of connecting rings 4, bearing frame 1 passes through connecting ring 4 with bearing sheath 6 transition fit. Namely, the bearing seat 1 is connected with the bearing sheath 6 through the connecting ring 4, and the bearing seat 1 is also in rotational connection with the bearing sheath 6. The connecting ring 4 is connected with the bearing sheath 6, so that the air tightness between the bearing seat 1 and the bearing sheath 6 is ensured. In this embodiment, the connecting ring 4 is embedded on the bearing seat 1. Namely, a plurality of annular grooves (not shown in the figure) are formed on the outer wall of the bearing seat 1, and the connecting ring 4 is connected to the annular grooves and is abutted against the inner wall of the bearing sheath 6, so that the air tightness of the bearing and the bearing sheath is ensured. Preferably, the connecting ring 4 is a fluororubber O-shaped ring, and fluororubber has excellent high-temperature resistance, can be used for a long time at 250 ℃ and used for a short time at 300 ℃, and has excellent ageing resistance and weather resistance. The stability to hot water and high-temperature steam is excellent; meanwhile, the fluororubber has good vacuum resistance.
In this embodiment, a fluororubber O-ring (not shown) is further disposed on a surface of the flange far away from the bearing housing 6 to ensure the connection strength and air tightness between the bearing seat 1 and the rotor at the flange. And a fluororubber O-shaped ring (not shown in the figure) is also arranged on the inner wall of the bearing seat 1 to ensure the connection strength and the air tightness of the bearing seat 1 and an output shaft.
Example two
A motor adopts the above-mentioned marine type slip ring seal structure of big specification. The rotor of the motor is connected with the bearing seat 1, and the stator of the motor is connected with the bearing sheath 6.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A big specification marine type sliding ring seal structure which characterized in that includes:
one end of the bearing seat is connected with the rotor, and the other end of the bearing seat is provided with a bearing cover;
the bearing protection sleeve is sleeved outside the bearing seat and connected with the stator, and a first connecting groove and a second connecting groove are respectively formed in two ends of the bearing protection sleeve;
the sealing assembly is arranged at one end of the bearing seat connected with the rotor, and is detachably connected with the bearing sheath at the second connecting groove;
the pressing assembly is arranged at one end, close to the bearing cover, of the bearing seat, and is detachably connected with the bearing sheath at the first connecting groove;
wherein the first connection groove and the second connection groove are coaxial.
2. The large format offshore slip ring seal configuration of claim 1, wherein the compression assembly comprises:
the second sealing ring is sleeved on the bearing seat, arranged in the first connecting groove and matched with the first connecting groove;
the sealing gland is arranged at one end of the second connecting groove, the sealing gland is detachably connected with the bearing sheath, and the bearing seat is rotatably connected to the sealing gland;
the sealing gland is provided with a first protrusion, the first protrusion extends into the first connecting groove, and the first protrusion is abutted to the second sealing ring.
3. The large format offshore slip ring seal structure of claim 2, wherein the second seal ring is a carbon ring and the second seal ring is comprised of two semi-circular carbon rings.
4. The large-specification offshore type slip ring sealing structure of claim 2 or 3, wherein a rotating bearing is further sleeved on the bearing seat, and the rotating bearing is positioned in the second connecting groove; the closure assembly includes:
the bearing gland is sleeved on the bearing seat and is positioned at the second connecting groove, and the bearing gland is detachably connected with the bearing sheath;
wherein, the bearing frame is connected in rotation in bearing gland department.
5. The large format offshore slip ring seal configuration of claim 4, wherein the closure assembly further comprises:
the first sealing ring is sleeved on the bearing seat and is abutted to the bearing gland.
6. The large-specification offshore type slip ring sealing structure of claim 5, wherein a plurality of groups of connecting rings are sleeved on the bearing seat, and the bearing seat is in transition fit with the bearing sheath through the connecting rings.
7. The large-specification offshore type slip ring sealing structure of claim 6, wherein the plurality of groups of connecting rings are all embedded and sleeved on the bearing seat.
8. A large format offshore slip ring seal according to claim 6 or 7, wherein the coupling ring is a viton O-ring.
9. A dynamoelectric machine, characterized in that a large-format offshore slip ring seal arrangement as claimed in any of claims 1-8 is employed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220060446.3U CN217056711U (en) | 2022-01-11 | 2022-01-11 | Large-specification offshore slip ring sealing structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220060446.3U CN217056711U (en) | 2022-01-11 | 2022-01-11 | Large-specification offshore slip ring sealing structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056711U true CN217056711U (en) | 2022-07-26 |
Family
ID=82481783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220060446.3U Active CN217056711U (en) | 2022-01-11 | 2022-01-11 | Large-specification offshore slip ring sealing structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056711U (en) |
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2022
- 2022-01-11 CN CN202220060446.3U patent/CN217056711U/en active Active
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